13 Two functions are shown below.
f(3) = 32 +7
9(2) = 2.0 + 12
What is the value of a where the graphs of f(x) and g(x) intersect?
A
22
B
5
с
5
D
22

need help asap got a timed test going !!

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

idn

step-by-step explanation:

i agree because i see the other persons thinking is clear